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<?php |
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declare(strict_types=1); |
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namespace Application\Service; |
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use Application\Model\Transaction; |
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use Application\Model\TransactionLine; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\ORM\Event\OnFlushEventArgs; |
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use Doctrine\ORM\Events; |
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use Ecodev\Felix\Api\Exception; |
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use Ecodev\Felix\Format; |
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use Money\Money; |
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use WeakMap; |
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/** |
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* Automatically check that transaction and all their transaction lines are balanced. |
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*/ |
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class TransactionChecker implements EventSubscriber |
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{ |
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public function getSubscribedEvents(): array |
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{ |
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return [Events::onFlush]; |
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} |
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/** |
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* Records all products whose stock may have changed. |
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*/ |
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public function onFlush(OnFlushEventArgs $eventArgs): void |
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{ |
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/** @var WeakMap<Transaction, true> $transactions */ |
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$transactions = new WeakMap(); |
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$unitOfWork = $eventArgs->getObjectManager()->getUnitOfWork(); |
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foreach ($unitOfWork->getScheduledEntityInsertions() as $entity) { |
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$this->record($transactions, $entity); |
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} |
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foreach ($unitOfWork->getScheduledEntityUpdates() as $entity) { |
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$this->record($transactions, $entity); |
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} |
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foreach ($unitOfWork->getScheduledEntityDeletions() as $entity) { |
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$this->record($transactions, $entity); |
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} |
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foreach ($transactions as $transaction => $v) { |
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$this->checkBalance($transaction); |
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} |
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} |
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/** |
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* Record all transactions that must be checked. |
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* |
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* @param WeakMap<Transaction, true> $transactions $transactions |
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*/ |
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private function record(WeakMap $transactions, object $entity): void |
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{ |
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if ($entity instanceof Transaction) { |
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$transactions[$entity] = true; |
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} elseif ($entity instanceof TransactionLine) { |
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$transactions[$entity->getTransaction()] = true; |
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} |
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} |
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private function checkBalance(Transaction $transaction): void |
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{ |
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$totalDebit = Money::CHF(0); |
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$totalCredit = Money::CHF(0); |
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foreach ($transaction->getTransactionLines() as $line) { |
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if ($line->getDebit()) { |
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$totalDebit = $totalDebit->add($line->getBalance()); |
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} |
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if ($line->getCredit()) { |
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$totalCredit = $totalCredit->add($line->getBalance()); |
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} |
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} |
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if (!$totalDebit->equals($totalCredit)) { |
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throw new Exception(_tr('Transaction %id% non-équilibrée, débits: %totalDebit%, crédits: %totalCredit%', [ |
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'id' => $transaction->getId() ?? 'NEW', |
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'totalDebit' => Format::money($totalDebit), |
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'totalCredit' => Format::money($totalCredit), |
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])); |
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} |
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} |
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} |
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Ecodev /
my-ichtus
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